/*-----------------------------------------------------------------------------
 * Name:    stdin_user.c
 * Purpose: STDIN User Template
 * Rev.:    1.0.0
 *-----------------------------------------------------------------------------*/

/*
 * Copyright (C) 2023 ARM Limited or its affiliates. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "retarget_stdin.h"
#include "rl_usb.h"

/**
  Get a character from stdin

  \return     The next character from the input, or -1 on read error.
*/
int stdin_getchar (void) {
  // ...
  	int input;
	while(1)
	{
		input = USBD_CDC_ACM_GetChar(0);
		if(input >= 0)
		{
			return input;
		}
	
		osDelay(1);
	}	
}
